A2450-E Crydom - Relays

A2450-E Description

The A2450-E from Crydom is a solid state relay. Solid state relays like this switch heaters, motors, lamps and other loads quietly and without contact wear.

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Summary of Features

Target Applications

Crydom A2450-E is used for switching heaters, motors, solenoids, valves and lamps in industrial automation, temperature control, packaging and HVAC equipment.

Key Specifications

Crydom A2450E is a 50 A panel-mount solid state relay, Series 1 (24-280 VAC), SCR output, AC control (18-36 VAC), zero voltage turn-on. Source: Crydom Series 1 datasheet (FDE-07-01 Rev. A). Values at 25°C unless noted.

Parameter	Value
Output
Operating voltage (47-440 Hz)	24-280 Vrms
Maximum load current	50 Arms
Transient overvoltage	600 Vpk
Minimum load current	150 mArms
Maximum 1-cycle surge current (50/60 Hz)	597/625 Apk
Maximum on-state voltage drop @ rated current	1.30 Vrms
Maximum off-state leakage @ rated voltage	1 mArms
Minimum off-state dv/dt	500 V/µs
Maximum I²t for fusing, 1/2 cycle (50/60 Hz)	1770/1621 A²s
Thermal resistance junction to case (Rjc)	0.45 °C/W
Switching type	zero voltage turn-on
Input
Control voltage range	18-36 Vrms
Minimum turn-on voltage	18 Vrms
Must turn-off voltage	4 Vrms
Input current	16-20 mA
Maximum turn-on / turn-off time	20 ms / 30 ms
General
Dielectric strength, input/output/base	4000 Vrms
Ambient operating temperature	-40 to 80°C
Weight (typical)	2.6 oz (74.9 g)

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